[F:1][C:2]([F:14])([F:13])[C:3]1[CH:8]=[CH:7][C:6]([C:9]#[C:10][CH2:11][OH:12])=[CH:5][CH:4]=1.CC(OI1(OC(C)=O)(OC(C)=O)OC(=O)C2C=CC=CC1=2)=O.C1C=CC=CC=1>C(Cl)Cl>[F:1][C:2]([F:13])([F:14])[C:3]1[CH:4]=[CH:5][C:6]([C:9]#[C:10][CH:11]=[O:12])=[CH:7][CH:8]=1In 20 ml of methylene chloride were dissolved 2.21 g (11.0 mmol) of 3-[4-(trifluoromethyl)phenyl]-2-propyn-1-ol, and 7.43 g (17.5 mmol) of Dess-Martin reagent were added to the solution under ice-cooling for 1.7 hours. Benzene was added to the resulting mixture and the insolubles were removed by filtration, followed by concentration of the filtrate to obtain 1.83 g (yield: 84%) of the title compound as an oil.
Wird geladen…
